#content {
    margin-top: 30px;
    min-height: 500px;
}

#content #left_nav {
    float: left;
    padding: 10px 0;
    width: 120px;
    margin-left: 180px;
    background: #F9F9F9;
    border-right: 1px solid #cccccc;
}

#content #left_nav li {
    text-align: center;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    font-weight: bold;
    border-right: 1px solid white;
}

#content #left_nav li a {
    display: inline-block;
    width: 100%;
    height: 100%;
}

#content #left_nav li:hover {
    border-right: 1px solid #42A0FF;
    background: #94C2D1;
}

.changeClass {
    border-right: 1px solid #42A0FF !important;
    background: #94C2D1;
}


#content #show_content {
    margin-left: 30px;
    width: 800px;
    float: left;
}

#content #show_content ul li {
    display: none;
}

#content #show_content p {
    margin-top: 15px;
    font-size: 14px;
    font-weight: normal;
    color: #666666;
    line-height: 30px;
    text-align: left;
}

#content #show_content h6 {
    margin-top: 20px;
    color: #333333;
}

#QQ_chat {
    position: absolute;
    top: 3px;
    margin-left: 8px;
}
